Lululemon Swiftly Tech Short Sleeve 2.0 *Stripe Tempo Stripe White / Carnation Red Size 12. Go ahead, get sweaty. The Swiftly Tech collection, powered by seamless construction, is the ultimate gear for running and training. Seamless construction minimizes chafing silverescent® technology Silverescent® technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on this garment anti-stink features Designed for: Run Lycra®: Added Lycra® fibre for shape retention Ventilation: Mesh construction for breathability Fit : Body Skimming, hip length Recycled polyester: 100% of the polyester in this product is recycled